#endif /* CONFIG_S390 */
+ #ifdef CONFIG_LOONGARCH
+
+ asm (
+ " .pushsection .text, \"ax\", @progbits\n"
+ " .type my_tramp1, @function\n"
+ " .globl my_tramp1\n"
+ " my_tramp1:\n"
+ " addi.d $sp, $sp, -16\n"
+ " st.d $t0, $sp, 0\n"
+ " st.d $ra, $sp, 8\n"
+ " bl my_direct_func1\n"
+ " ld.d $t0, $sp, 0\n"
+ " ld.d $ra, $sp, 8\n"
+ " addi.d $sp, $sp, 16\n"
+ " jr $t0\n"
+ " .size my_tramp1, .-my_tramp1\n"
+
+ " .type my_tramp2, @function\n"
+ " .globl my_tramp2\n"
+ " my_tramp2:\n"
+ " addi.d $sp, $sp, -16\n"
+ " st.d $t0, $sp, 0\n"
+ " st.d $ra, $sp, 8\n"
+ " bl my_direct_func2\n"
+ " ld.d $t0, $sp, 0\n"
+ " ld.d $ra, $sp, 8\n"
+ " addi.d $sp, $sp, 16\n"
+ " jr $t0\n"
+ " .size my_tramp2, .-my_tramp2\n"
+ " .popsection\n"
+ );
+
+ #endif /* CONFIG_LOONGARCH */
+
+static struct ftrace_ops direct;
+
static unsigned long my_tramp = (unsigned long)my_tramp1;
static unsigned long tramps[2] = {
(unsigned long)my_tramp1,
#endif /* CONFIG_S390 */
+ #ifdef CONFIG_LOONGARCH
+
+ asm (
+ " .pushsection .text, \"ax\", @progbits\n"
+ " .type my_tramp, @function\n"
+ " .globl my_tramp\n"
+ " my_tramp:\n"
+ " addi.d $sp, $sp, -48\n"
+ " st.d $a0, $sp, 0\n"
+ " st.d $a1, $sp, 8\n"
+ " st.d $a2, $sp, 16\n"
+ " st.d $t0, $sp, 24\n"
+ " st.d $ra, $sp, 32\n"
+ " bl my_direct_func\n"
+ " ld.d $a0, $sp, 0\n"
+ " ld.d $a1, $sp, 8\n"
+ " ld.d $a2, $sp, 16\n"
+ " ld.d $t0, $sp, 24\n"
+ " ld.d $ra, $sp, 32\n"
+ " addi.d $sp, $sp, 48\n"
+ " jr $t0\n"
+ " .size my_tramp, .-my_tramp\n"
+ " .popsection\n"
+ );
+
+ #endif /* CONFIG_LOONGARCH */
+
+static struct ftrace_ops direct;
+
static int __init ftrace_direct_init(void)
{
- return register_ftrace_direct((unsigned long)handle_mm_fault,
- (unsigned long)my_tramp);
+ ftrace_set_filter_ip(&direct, (unsigned long) handle_mm_fault, 0, 0);
+
+ return register_ftrace_direct(&direct, (unsigned long) my_tramp);
}
static void __exit ftrace_direct_exit(void)
#endif /* CONFIG_S390 */
+ #ifdef CONFIG_LOONGARCH
+
+ asm (
+ " .pushsection .text, \"ax\", @progbits\n"
+ " .type my_tramp, @function\n"
+ " .globl my_tramp\n"
+ " my_tramp:\n"
+ " addi.d $sp, $sp, -32\n"
+ " st.d $a0, $sp, 0\n"
+ " st.d $t0, $sp, 8\n"
+ " st.d $ra, $sp, 16\n"
+ " bl my_direct_func\n"
+ " ld.d $a0, $sp, 0\n"
+ " ld.d $t0, $sp, 8\n"
+ " ld.d $ra, $sp, 16\n"
+ " addi.d $sp, $sp, 32\n"
+ " jr $t0\n"
+ " .size my_tramp, .-my_tramp\n"
+ " .popsection\n"
+ );
+
+ #endif /* CONFIG_LOONGARCH */
+
+static struct ftrace_ops direct;
+
static int __init ftrace_direct_init(void)
{
- return register_ftrace_direct((unsigned long)wake_up_process,
- (unsigned long)my_tramp);
+ ftrace_set_filter_ip(&direct, (unsigned long) wake_up_process, 0, 0);
+
+ return register_ftrace_direct(&direct, (unsigned long) my_tramp);
}
static void __exit ftrace_direct_exit(void)